Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

Search:

Type: Posts; User: midhvac

Page 1 of 20 1 2 3 4

Search: Search took 0.06 seconds.

  1. Replies
    14
    Views
    1,012

    Poll: 180/90 on the highest dosage available. Not much...

    180/90 on the highest dosage available. Not much overweight. On a really hot day the dose is too high and the BP gets really low, messing me up.
  2. Replies
    20
    Views
    1,738

    All laws are subject to change. Kansas has a law...

    All laws are subject to change. Kansas has a law that states that you can't hang a man with a wooden leg.
  3. Replies
    35
    Views
    1,507

    Those are some funny pics. I'd like to say I...

    Those are some funny pics. I'd like to say I hadn't seen worse Goodman installs - but I saw a Goodman condensing furnace with the PVC exhaust taped up into the existing common metal flue for the...
  4. Replies
    11
    Views
    733

    I picked up a package of it at Lennox a few years...

    I picked up a package of it at Lennox a few years ago. It's that square, red tubing. But it wasn't a roll, but a bunch of pre-cut pieces that are too short for most other furnace brands.
    And,...
  5. Replies
    4
    Views
    526

    styrofoam as refrigerator load?

    Got an old Kenmore combination refrigerator/freezer out in my garage. It's the traditional type with the freezer on the top and the much bigger fridge on the bottom - auto defrost.
    We never use...
  6. Replies
    5
    Views
    520

    I'm getting smarter every day

    Today I was able to correctly predict that it would take me a very long time to clean a filthy condenser after I was able to screw my hose nozzle on the hose with the hose hydrant wide open. ...
  7. Replies
    15
    Views
    1,267

    There are 2 pressure drops to be concerned with. ...

    There are 2 pressure drops to be concerned with. The initial one and the dirty one. There's a big range of initial pressure drops in 16 x 25, 4" filters - of the same MERV rating. That difference...
  8. I doubt it. They'd know that concrete has a poor...

    I doubt it. They'd know that concrete has a poor R-value.
  9. Replies
    4
    Views
    826

    The outlawed 80% furnace thing in the "northern...

    The outlawed 80% furnace thing in the "northern regions" was unsuccessfully fought by the ACCA on our behalf. The group for it included the environmentalists & furnace manufacturers. Strange...
  10. Replies
    102
    Views
    14,029

    And if it rubs a hole in the pipe when the unit...

    And if it rubs a hole in the pipe when the unit vibrates, it would be gas cooled - for a while.

    But if you flatten out the pipe, you'd get more heat transfer, and it wouldn't rub through it as...
  11. Replies
    102
    Views
    14,029

    Or to keep the heat out of the electrical panel...

    Or to keep the heat out of the electrical panel to start with. The units that catch a good amount of sun seem to be the worst offenders. Some of those that have been off all day have caps that are...
  12. Replies
    102
    Views
    14,029

    Here's a link to a technical article about the...

    Here's a link to a technical article about the effect of high ambient on the life of electrolytic caps. It's primarily about DC voltage, but might also apply to AC.
    ...
  13. Replies
    102
    Views
    14,029

    I think we're getting closer to the source of the...

    I think we're getting closer to the source of the problem - a combination of conditions - heat and higher voltages. Caps are rated for voltage. The higher the voltage rating of the cap, the more...
  14. Replies
    102
    Views
    14,029

    The caps are in the path of the air before it...

    The caps are in the path of the air before it goes through the condenser.
    I service several 8-plexes with those, and service a lot more because I installed that brand for several years. Haven't had...
  15. Replies
    17
    Views
    1,914

    Show em the picture and tell em it's a waste of a...

    Show em the picture and tell em it's a waste of a short man's value - save the short folks for crawl spaces. :D
  16. Replies
    102
    Views
    14,029

    Just hit me that during this heat wave, I've seen...

    Just hit me that during this heat wave, I've seen no failures of capacitors that are mounted through holes in the bottom of the electrical compartment, like on the Rheem & some other units i.e. the...
  17. Replies
    102
    Views
    14,029

    Same problem here. I really think the heat is...

    Same problem here. I really think the heat is the main culprit. I'm about ready to put the capacitor inside the house and run wires outside. :grin2:

    I agree that the Chinese ones seem to get...
  18. Replies
    45
    Views
    3,475

    Manufacturers began to realize a while back that...

    Manufacturers began to realize a while back that ECM motors are no substitute for adequate ductwork when they got nailed with lots of warranty replacement ECM motors.
    And many customers didn't...
  19. Replies
    21
    Views
    2,047

    I've seen several cases where the installer took...

    I've seen several cases where the installer took the transformer out of the old AC and put it in the new one they installed. So LOL, the 5 wire system lives on to challenge the next generation of...
  20. Replies
    21
    Views
    2,047

    Saw one of those about 25-30 years ago with the...

    Saw one of those about 25-30 years ago with the old Sears stat that had little diagnostic indicator lights in the stat that were powered by sensor circuits in the o/s Sears unit. It didn't when I...
  21. Replies
    24
    Views
    1,847

    The last time I saw that on a residential...

    The last time I saw that on a residential furnace, the heat exchangers were gone when the furnace was 7 years old. Amazingly, the guy who installed it was actually a Lennox dealer who I knew. It was...
  22. Replies
    24
    Views
    2,117

    It will always use less kWh per season by setting...

    It will always use less kWh per season by setting it back. How much less depends on numerous variables. But if the electric co. is charging you more per kWh at "peak" hours of the day, that must be...
  23. Replies
    24
    Views
    1,847

    That's truly a "condensing furnace", and is about...

    That's truly a "condensing furnace", and is about to become 90% efficient - at gassing people. Good fodder for the Wall of Shame forum.
  24. Replies
    24
    Views
    2,117

    LOL, that's a huge part of the variables involved...

    LOL, that's a huge part of the variables involved here. I have some customers that are willing to make that sacrifice in comfort to save x $ over the course of an entire cooling season. But those...
  25. Replies
    24
    Views
    2,117

    And with most programmable stats, there's the...

    And with most programmable stats, there's the variable of whether or not you have the stat set to "automatically recover" from the setback, i.e. the "energy management" algorithm, where the stat...
Results 1 to 25 of 500
Page 1 of 20 1 2 3 4
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event